Frown face (frowny face) appears in the capture randomly. We haven't been able to reproduce this, but some users have reported seeing this icon, but seemingly not causing any other issues with the app.
Let us know if you see this icon and we can investigate this further!
Note: This could be related to a WebGL issue, which we've documented here:
In case this icon is causing any issues for you, feel free to try the solution described in the article above and let us know if that solves this.
"I recognized a sad looking smiley on my capture today... What does it mean ? I have not found any description on that online and will attach a screen snapshot for reference."
"I'm using a Logic8 Pro and I'm trying to figure out two things. 1. why is there a frowny face on our 1st channel 0 which is connected to a LVTTL level serial line. channel 1 is connected to the Rx line and channel 0 is connected to the Tx line."